Analysis of Nonsevere Crashes on Two- and Four-Lane Urban and Rural Highways: Effects of Wet Pavement Surface Condition

Table 7

Test for equality of mean, homogeneity of variances, and similarity in distribution of the dry pavement crashes across the categorical variables.

Variables		Levene’s Test	Welch’s Test	Kruskal-Wallis Test	Games-Howell Test
Rural/Urban	Test Stat.	70.430	67.450	49.500	8.210
	-Value	0.001	0.001	0.001	0.001
No. of Lanes	Test Stat.	0.010	1.350	7.150	1.160
	-Value	0.927	0.246	0.007	0.246
Lighting	Test Stat.	10.430	12.400	3.100	3.520
	-Value	0.001	0.001	0.078	0.001
Weather	Test Stat.	0.000	0.050	0.060	0.220
	-Value	0.981	0.829	0.814	0.820